Merge pull request #6267 from tk0miya/6263_HTML5Translator_crashed

Fix #6263: html: HTML5Translator crashed with invalid field node

Author: tk0miya

Diff for: CHANGES

@@ -30,6 +30,7 @@ Bugs fixed
 * #6245: circular import error on importing SerializingHTMLBuilder
 * #6243: LaTeX: 'releasename' setting for latex_elements is ignored
 * #6244: html: Search function is broken with 3rd party themes
+* #6263: html: HTML5Translator crashed with invalid field node
 * #6262: html theme: The style of field lists has changed in bizstyle theme
 
 Testing

Diff for: sphinx/writers/html5.py

@@ -68,6 +68,7 @@ def __init__(self, *args):
         self.param_separator = ''
         self.optional_param_level = 0
         self._table_row_index = 0
+        self._fieldlist_row_index = 0
         self.required_params_left = 0
 
     def visit_start_of_file(self, node):